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Oceanic Ltd, Pountney Street, Wolverhampton, WV2 4HXPhone: 01902 450 550 E-Mail: [email protected] www.oceanic-saunas.co.uk
S auna & Steam
STEAM GENERATOR(Domestic & Light Commercial)
Assembly and operating manual
S auna & Steam
Oceanic Saunas 01902 450 550 [email protected] 2
Steam Generator Manual
Table of contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Important Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4. Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5. Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.1. Steam Generator Unit Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.8. Wiring multiple steam generators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65.2. Steam Generator Frame Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75.3. Clearance distances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75.4. Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75.5. Steam Generator Parts Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85.6. Table 2. OC-A Controller Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . 95.7. Temperature Sensor Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6. OC-A Controller Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
7. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117.1. Generator Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
8. Steam Generator Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
9. Water and Steam Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
10. Installation for controller and temperature probe. . . . . . . . . . . . . . . . . . . . . . 14
11. Installations for power supply and control cable . . . . . . . . . . . . . . . . . . . . . . 14
12. Steam on Demand Function (Only supplied with commercial generators) . . . . . . . 15
13. Circuit Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
14. Testing and operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
15. Setting time and temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
16. STEAM ON DEMAND (Commercial Generators only 9, 10.5, 12KW) . . . . . . . . . 18
17. Troubleshooting guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
18. Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2018.1. Descaling procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
19. Guarantee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
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Steam Generator Manual
1. Introduction
Thank you for choosing to buy our Oceanic steam generator, please take the time to read these instructions before you begin as they contain important information about the installation and maintenance requirements.
“Oceanic” steam generators are available in specifications from 3kw to 12kw and are equipped with our OC-A intelligent controller. With this not only can you control the temperature and time duration of your steam bath but also the light of the steam room, the automatic drain valve, key-lock, alter the temperature display between Centigrade and Fahrenheit; as well as displaying the steam generator‘s status by the 8 LED’s on the panel, heating, water inlet, temperature, drain status etc. note also that one “OC-A” controller can control multiple “Oceanic” steam generators.Every “Oceanic” steam generator is thoroughly tested before leaving the factory so there may be the remains of water inside the boiler.
2. Important Notes• Read the manual before installation and operation.• This Equipment must be installed by competent person. • This equipment must be connected to an all pole isolator• Disconnect the power supply before exposing electrical connections.• Confirm the right voltage to your steam generator 1 or 3 phase.• For hard water areas please read our descaling section on page???• Water supply must have maximum of 1 bar pressure, recommend the use of a pressure
reducing valve if necessary
3. Safety Precautions • Elderly persons, pregnant women, or these suffering heart disease, high blood pressure,
diabetes or not in good health are advised to seek medical opinion before using a steam room.• Do not smoke in the steam room.• Avoid using the steam room immediately after strenuous exercise. • Do not use the steam room when under the influence of alcohol.• Leave the steam room at once if you feel sleepy, sick or uncomfortable.• Ensure there is good ventilation for the steam room.• We do not recommend that children under 16 use this product.• Commercial operators should post a notice of these precautions in a prominent position.Steam entering the steam room will be scalding hot; take care to position the inlet nozzle away from where users will sit and/or provide adequate guarding, post a notice to caution users.
4. Electrical connection A qualified electrician will have no problem installing this system with the provided wiring schematic and with the help of the circuit diagram mounted inside the respective control unit. According to the valid regulations, the electrical connection of the steam generator and the control box has to be carried out by an authorised electrician. In case of a warranty claim, you are kindly requested to present a copy of the invoice from the electrician.
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Steam Generator Manual
5. Specification
5.1. Steam Generator Unit Parameters
Model Power Current(amps)
Size (mm) Steam outlet
Inlet Drain Nozzle Type
Kw 1N~ 3N~ L W H inches inches inchesDomesticOC-40 4 17A - 390 190 335 1/2” 1/2” 1/2” WhiteOC-60 6 26A 8.6A 390 190 335 1/2” 1/2” 1/2” WhiteOC-80 8 35A 11.6A 450 190 353 3/4” 1/2” 1/2” ChromeSteam On Demand OC-60 S 6 26 8.6 390 190 335 15 1/2” 1/2” Red
OC-80 S 8 35 11.6 450 190 353 3/4 1/2” 1/2” RedOC-90 S 9 39 13 450 190 353 3/4 1/2” 1/2” RedOC-105 S 10.5 46 15.3 390 206 415 3/4 1/2” 1/2” RedOC-120 S 12 52 17.3 390 206 415 3/4 1/2” 1/2” Red
Please note that all models may not be available from your dealer.Important note: Steam outlet should not be reduced
Domestic unit Steam On-Demand unit
1/2” Steam outlet
3/4” Steam outlet
3/4” Steam inlet
Chrome steam nozzle
Steam On Demand button
White Steamnozzle
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Steam Generator Manual
5.8. Wiring multiple steam generators
If greater power is required one OC-A controller may be used to control two or more steam generators, e.g. if you need a 24KW steam generator you can use one OC-A controller to control two 12kw steam generator or three 10kw steam generators.
Temperature sensorOC-A controller
MasterSlave
Slave
To next slave
Multiple steam generators wiring schematic
Multiple steam generators plumbing
Steam Outlet
Pressure reducing calve
Water Inlet To drain
Pressure release valve
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Steam Generator Manual
Model A B C D E F G HOC-40 - 60 390 190 335 25 135 45 72 60OC-80-90 450 195 353 35 135 45 72 60OC-10-120 390 206 353 25 135 45 77 60
5.2. Steam Generator Frame Sizes
5.3. Clearance distances
5.4. VentilationEnsure air flow into area where steam generator is housed. For commercial use ensure good ventilation from at least two ducts within the housing of the generator
>200mm
>300mm
>400mm>500mm
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Steam Generator Manual
No. Part Description1 Water inlet valve Automatically controls the water flow (maximum
pressure 1bar)2 Drain valve Controller by controller. Turn on or turn off to drain
water 3 Power entry The route of power wire 4 Control cable entry The route of control cable 5 Stainless steel tank Boiler6 Insulation material Reduce the loss of the boiler heat7 Water lever probe Detect the water level 8 Steam outlet Steam outlet9 Pressure relief valve Operates if the pressure in the boiler exceeds 1.2kg/
c m210 Overheat switch Boil dry protector operates at 105C 11 Main circuit board Control center12 Accessory circuit board Connect and control the heat element13 Terminal Connection for power supply14 Earth wire plug Connection for earth wire15 Water inlet Water inlet to the boiler16 Elements Electrical heating elements
5.5. Steam Generator Parts Description
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Steam Generator Manual
Model Working Time (m)
Temperature(OC)
DimensionL x W x H (mm)
Remarks
OC-A 15-240 30 - 60 oC 150 x 92 x 22 When the time window displays ”Long” the generator will operate
continuously until it is switched off.
MODEL Detected Scope Max Cut out Temperature
Size (mm)
oC oF oC oF L W HOC-S 0-110 32-230 60 248 76 42 27
5.6. Table 2. OC-A Controller Parameters
5.7. Temperature Sensor Parameters
1800mm
300mm
>500mm
Temperature sensor
Steam nozzle
Minimum distances for temperature sensor installation
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Steam Generator Manual
6. OC-A Controller Description
No Part Description
1 On/off Push to operate
2 Light Push to operate
3 Drain Control Push to operate / Keep pressed for SOD/ Keep pressed for normal
4 Set Preset time and temperature
5 /\ Increase button
6 \/ Decrease button
7 / ºC/F / ENTER Change from centigrade to Fahrenheit / Enter change in settings
8 Time display window Display the work time of the steam generator
9 Temp display window Display the detected temperature of steam room
10 L1 Indicator LED for the light in steam room
11 L2 Indicator LED for water level – red, water is filling - green water level OK. Note if the LED remains red in excess of 5 minutes check water supply.
12 L3 Indicator LED for drain - red for draining - green for draining and filling at the same time
13 L4 Red means it is in SOD mode. Green means it is in normal mode
14 L5 Indicator LED for over heat, red means the steam generator was cut off as the heat element is too hot (lack of water, the heat elements may worked in air)
15 L6 Indicator LED for pressure - when the pressure in the boiler exceeds 1.2kg/c m2. It will switch on.
16 L7 Indicates the detected temperature is lower than the preset temperature and steam generator is heating.
17 L8 Indicates the detected temperature is higher than the preset temperature and the steam generator is idling.
L1L2 L3 L4 L5
L6
L7
L8
C/FENTER
DRAIN LIGHT
SET
123
47
56
17
8 9
1615
141312
11
10
ONOFF
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Steam Generator Manual
7. Installation
• Isolate the power supply before installation • Confirm the model you have selected is suitable for your steam room, please refer to chart 5• Mount the steam inlet nozzle approximately 300mm up from the floor and it should be at least
200mm from person’s body.• If the steam generator is installed in an inaccessible place ensure that both the electrical
power and water supply can be isolated in an emergency.• The minimum water inlet pressure is 0.25 bar (2.5 Mpascals) and the maximum is 2 bar (20
Mpascals), for pressures in excess of this use a reducer before the valve.• The steam pipe from steam generator to steam room should be kept to a minimum, pipes
longer than 3 meters should be insulated to prevent heat loss. Steam pipes will be hot during use and must be protected against accidental contact. Steam entering the steam room will be scalding hot; take care to position the inlet nozzle away from where users will sit and/or provide adequate guarding, post a notice to caution users.
• Keep the number of right angle bends to a minimum and ensure that the run does not create a trap into which condensate would gather and cause a blockage I.e. the pipe must not go down and then up.
• There must be no valve or other blockage in the steam pipe• The steam pipe should be metal of other material that can endure 150°C temperature, copper
pipe is recommended.• It is not recommended to install the Steam generator outdoors or where it might be affected
by frost. Allow for a minimum space of 0.5 cubic meters to install the generator.• Steam generator should be level side-to-side and front to back and should be installed so that
the arrows on the case point up.• Do not install the steam generator in close proximity to hazardous substances.
7.1. Generator Size
The table opposite should be referred to for guidance only. Please note that the size of generator required to heat a particular size of steam room will vary according to a number of factors including the type of material used for construction, the height of the steam room and the ambient temperature.
For lightweight materials such as plastics and laminates 1 KW will heat up to 1 cubic meter of air for dense materials such as stones and ceramics which will conduct the heat away more rapidly allow for up to 2KW per cubic meter of air. Hot air rises so restricting the height to around 2 meters will ensure the user is sitting in the steam for higher ceilings you may need to increase the power requirement.
The following table is given as a guide; ambient air temperatures and frequency of use (number of door openings) can also affect the power requirements.
Generator Model Steam Room Volume (m3)
OC-40 1.8 - 4
OC-60 4.5 - 6
OC-80 4 - 7
OC-70 5 - 9
OC-90 6 - 10
OC105 7 - 11
OC-120 8 - 12
OC-140 11 - 15
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Steam Generator Manual
8. Steam Generator Location
The steam generator should be installed in dry well ventilated place in close proximity to the steam room. It can be placed on the floor or hung on wall. To hang the generator on a wall drill 3 holes 8mm in diameter in accordance with the table below. Fix the top 2 screws in place first then hang the generator by the 2 keyhole shaped holes in the back plate. Then with the front cover removed fix the 3rd screw to secure the unit in place.
<10m
The steam generator can be installed anywhere that is dry and has an airflow. Example locations:• Boxed under bench within steam room• Cupboard in an adjacent room• In the loft• Up to 1.5m beneath the unit in a basement
Important notes:• The steam pipe should be insulated and not travel further than 10 metres• Do not reduce size of steam pipe at any point• the steam pipe must not go down and then up, as this will create a trap and damage the
steam generator.
Model A B C
OC-30 to OC-60 145 145 273
OC-70 to OC-90 175 175 291
OC-100 to OC - 120 145 145 353
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Steam Generator Manual
To drain Water inlet
Pressure reducer valve
300mm
Pressure release valve
Steam outlet nozzle
Steam pipe 10m max insulated above 5m
9. Water and Steam Connections
i. The water supply pipe and steam pipe should comply with local standardsii. Connect the water inlet valve of the generator to the mains water supply using a flexible
hose with 1/2 inch fittings. iii. Steam outlet (1/2 inch or 3/4 inch) use the same dimension copper pipe to connect it, if the
steam pipe is longer than 5 meter it should be insulated. During use the steam pipe will be very hot and must be protected against accidental contact. Note that according to the location it may be necessary to attach an additional length of pipe to the pressure relief valve in order to divert the steam flow to a safe direction should the valve operate.
iv. Connect the drain outlet to a suitable drain via a copper pipe with the appropriate fittings.
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Steam Generator Manual
10. Installation for controller and temperature probe.OC-A controller is waterproof and can be installed inside or outside the steam room according to customer preference.i. For a better connection and to eliminate any future connection problems spray connection
fluid or aerosol oil spray on the pins of the PS/2 cable(5pin cable) before plugging into the circuit board.
ii. Ideally the control panel should be installed at a height of approximately 1200mm for ease of use.
iii. Installation method: Open the front cover of steam generator. Pin the control cable (6 cores) and temperature sensor cable (2 cores) to the relevant ports.
iv. Control panel installation: pin one end to circuit board ports in steam generator connect the other end to the controller’s cable.
v. Temperature probe installation: the temperature probe is installed inside the steam room at approximately 1.2 to 1.5 meters high and away from the steam outlet. Use a 4mm screw fix it in place and then connect to the wire from the controller.
vi. Fix protective cover (supplied) over the temperature
Temperature Sensor
4mm Screw
Cover to protect the temperature sensor
11. Installations for power supply and control cable Confirm the correct voltage of power supply and wires.
Remove the knock out for the power cable entry and use a rubber grommet to protect the cable, connect to the conductors to the correct terminals – for single phase power supply use the copper bridge connectors, for 3 phase supply remove them. (Extra bridges can be found it provided) Remove the knock out for the control cable entry and use a rubber grommet to protect the cable, connect the cable to the relevant port on circuit board.
Ensure the power supply wire and control cable remain separated to prevent magnetic field of power supply wire from disturbing control cable signal.
12. Installing a lighti. The steam generator keypad has a light button which switched
a 230v connection on the main circuit board upto 100watts in power.
ii. - Use the supplied grey connector with two blue wires to connect to the light empty output on the circuit board labelled “LIGHT”
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Steam Generator Manual
13. Steam on Demand Function (Only supplied with commercial generators)
Commercial operators may wish to take advantage of the steam on demand function which will allow customers to press the steam on demand button located outside the steam room after which the generator will operate for 30 minutes then stop until activated again.
14. Circuit Diagrams
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15. Testing and operation i. Check water, drain and steam connections are all safe and sealed.ii. Switch on main power to the machine.iii. If connected you can switch on the lights using the light button independently of the
temperature and time settings for example if you wanted to use the room as a shower without steam.
iv. Push the On/Off button The keypad will now illuminatev. Push SET – Time will now flash – Use Up and Down Arrows to change time – Press ENTER to
save settings.vi. Push SET Twice – Temperature will now flash – Use Up and Down Arrows to change
temperature – Press ENTER to save settings.vii. You can switch between Celsius and Fahrenheit by holding the ENTER button for 2 seconds.viii. Once the generator has surpassed the set temperature L8 will go red and the machine will cut
out. Once it drops below the set temperature it should begin steaming again.ix. To set STEAM ON DEMAND – hold the drain button for 10 seconds until the screen says
LONG and L4 goes red. The temperature can still be adjusted in the same way as above. Now when someone pushes the red button the generator will steam for 30 minutes until the set temperature is reached.
16. Setting time and temperature.
When the steam generator leaves the factory the default settings are 40o and 1 hour of operation these can be adjusted as follows;
i. Time setting: press “set” key – the time display window will flash - press “/\”,\/” to adjust the time, every press, the time will increase or reduce 5 minutes, once the desired setting is reached press “enter” the window will stop flashing. You can adjust from the time from 15 to 240 minutes or no time limited. Note the controller has a memory function, if the power supply is not cut off the next time you turn on steam generator the time you selected will be the default time.
ii. Temperature setting: if you press “set” once after you finish setting the time or otherwise twice the temperature window will flash, enter the required temperature by pressing “/\”,”\/” to adjust - every press will increase or reduce 1o .you can adjust from 30o-60o once the required temperature has been set press “enter” key the window will stop flashing.
17. STEAM ON DEMAND (Commercial Generators only 9, 10.5, 12KW)
i. To set the generator to commercial mode (“steam on demand” mode) you will need both the digital controller and the steam on demand button plugged into the circuit board.
ii. Set the desired temperature using the method above.iii. Hold the drain button for 5 seconds, the word LONG will now appear on the screen and L4 will
turn red (note this isn’t the same as setting the time to long).iv. Your generator is now ready for steam on demand, push the button and it will steam for 30
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Steam Generator Manual
minutes until pressed again when it will go for another 30 minutes.v. If the button is not pressed for five minutes after it shuts down it will automatically go into it
drain cycle, it will take around 8 minutes for this to complete itself. The generator will take in more water when it is draining to flush out the boiler, this action is designed to minimize the build up of lime scale but not allow the elements to dry out while they are still hot. The process will only occur after the generator has operated for more than 10 minutes or more
vi. To deactivate “steam on demand” hold drain for 5 seconds until L4 changes green.
18. Troubleshooting guidePlease note that we recommend all repairs are carried out be a suitably qualified person.
Trouble description CauseSomething is wrong with:
Solution
When the generator is turned on there is no display on control panel.
ConnectionPower supplyTransformer.Main circuit board controllerControl cable or portConnectionFuse
1. Check you have power to the main terminals. 2. Check fuse. 3. Disconnect control cable from main circuit board, spray multipurpose lubricant or electrical connection cleaner on the pins and in the socket, blow away excess, reconnect. 4. If there are no RED LEDs on the main circuit board the transformer has failed or has a loose connection.
Control panel lit up but no steam.
Water probeControl lead connectionWater supply
1. If L2 is green, L7 is yellow remove the water level probe, clean off any scale, return probe. Test2. Disconnect control cable from main circuit board, spray multipurpose lubricant or electrical connection cleaner on the pins and in the socket, blow away excess, reconnect. 3. If L2 is red, check water supply, if ok shut of water and take inlet valve apart, clean filter and return. If still red replace inlet valve.
Circuit breaker tripping out.
Element failureLoose Earth WireFaulty connection
1. To check elements use a insulation tester, or fault find by disconnecting individual elements one by one. 2. Check earth connections are tight. 3. If above fails, return generator to supplier for repair, guarantee information below.
Temperature window displays “LC”
The temp sensor connection 1. Check connection or change temp sensor.2. If above fails replace sensor.
Temperature window display “HC”
Temp sensor is short circuit. 1. Check connection or change temp sensor.2. If above fails replace sensor.
Water runs through steam nozzle in room.
Water inlet valve.Level sensor.
1. Turn machine off, if water continues clean inlet valve or replace. 2. If runs while machine is on try above if fails clean water probe and check connection to circuit board.
Generator works when switched off on the control panel.
Relays 1. Replace relay PCB.
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Steam Generator Manual
19. Maintenance
The single biggest problem with steam generation is the build up of scale resulting from dissolved solids within the water. Scaling can cause the elements to fail, the water level sensors not to function, premature failure of the O-rings resulting in leaks from around the elements. The extent of the problem will vary according to the degree of hardness in the local water supply.For all commercial operators we recommend the use of a water softener.
Expect 2500 hours element life, this can be serious depleted by poor maintenance.
All users commercial and domestic must ensure a regular maintenance routine to descale the generator – the frequency of this will vary according to the degree of hardness in the local water supply and the amount of time the generator is used for. Check the water for hardness and arrange the descaling routine accordingly: - High levels of hardness descale once every 50 to 100 hours of operation.Medium levels of hardness descale once every 100 to 250 hours operation.Low levels of hardness descale once every 250 to 1000 hours of operation.
To descale the generator use a solution of weak acid crystals (such as citric acid) mixed with water Citric acid can be purchased from:www.thebathingplace.comwww.oceanic-saunas.eu
19.1. Descaling procedurei. Firstly push the drain button to empty the tank, check the valve is draining. Once the machine
has finished draining isolate the mains power.ii. - Unscrew the top plate of the machine which says water level probe, disconnect the probes
wires with a flat screw driver and pull the probe out.iii. - Fill the machine using a funnel with 5-6 litres of pre mixed citric acid.iv. - Replace the probe and reconnect.v. - Heat the machine for 2 minutes.vi. - Leave the machine for 4 hours minimumvii. - Drain 2-3 times.
Follow the instruction supplied with the crystals and allow sufficient time for the solution to dissolve the scale before flushing out the generator. For best results add to water, steam for two minutes then leave overnight. Empty the next days and flush twice using drain cycle.
Faults arising from a result of a failure to descale the generator are not covered by warranty.Because heating and cooling cause expansion and contraction it is important to inspect all the water and steam inlets and outlets as well as their pipes and connectors on a regular basis to ensure there are no leaks.Clean the filter net in the magnetic valve according to the water quality in the location.The condition of the wiring and electrical integrity of the generator should be checked regularly - for commercial operators this should be at least once a year.
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20. GuaranteeAll generators are guaranteed for 12 months for domestic and commercial use from the date of purchase. This guarantee excludes consumable items such as the electrical elements and failures resulting from misuse or abuse such as a failure to descale as explained previously. If you are using the generator for more than 20 hours a week in a hard water area without a water softener your guarantee will be invalidated.
If you encounter any difficulty with this assembly procedure or think we could have explained anything more clearly we would welcome your comments, please call T: 01902 655425 or T: 01902 871127 technical help line.